19371020

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1511}}^1$

素因数の和:2161

約数の個数: 24

約数和(自身を含む): 40769568

約数和(自身を除く): 21398548

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 1511, 2564, 3022, 3205, 6044, 6410, 7555, 12820, 15110, 30220, 968551, 1937102, 3874204, 4842755, 9685510, 19371020]

約数ペア:

[(1, 19371020), (2, 9685510), (4, 4842755), (5, 3874204), (10, 1937102), (20, 968551), (641, 30220), (1282, 15110), (1511, 12820), (2564, 7555), (3022, 6410), (3205, 6044)]